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authorJean Delvare <khali@linux-fr.org>2006-08-28 14:35:46 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2006-09-28 15:31:13 -0700
commit8ab4ec3ef45cc2facbe14c733ef7230e7d94fcf2 (patch)
treeaee9c9ba26cbde2b7c1ffc89821d1d1bb02c959d /drivers/hwmon/it87.c
parent3543a53f6c5b58c233218327f671108590151876 (diff)
it87: Cleanup set_fan_div
it87: Cleanup set_fan_div We only change one fan clock divider at a time, so there is only one fan min which needs to be saved and restored. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/hwmon/it87.c')
-rw-r--r--drivers/hwmon/it87.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index bfad8975d1e..e9ab8a32903 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -564,14 +564,14 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
- int i, min[3];
+ int min;
u8 old;
mutex_lock(&data->update_lock);
old = it87_read_value(client, IT87_REG_FAN_DIV);
- for (i = 0; i < 3; i++)
- min[i] = FAN_FROM_REG(data->fan_min[i], DIV_FROM_REG(data->fan_div[i]));
+ /* Save fan min limit */
+ min = FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr]));
switch (nr) {
case 0:
@@ -591,10 +591,10 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
val |= 0x1 << 6;
it87_write_value(client, IT87_REG_FAN_DIV, val);
- for (i = 0; i < 3; i++) {
- data->fan_min[i]=FAN_TO_REG(min[i], DIV_FROM_REG(data->fan_div[i]));
- it87_write_value(client, IT87_REG_FAN_MIN(i), data->fan_min[i]);
- }
+ /* Restore fan min limit */
+ data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
+ it87_write_value(client, IT87_REG_FAN_MIN(nr), data->fan_min[nr]);
+
mutex_unlock(&data->update_lock);
return count;
}